Comparison

Parallel Books vs Англо

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Parallel Books

Learn a new language by reading books with side-by-side translations. This app keeps translations synchronized as you read, allowing for full immersion. Easily switch between display modes and add notes for a personalized learning experience.

Highlights
  • Dual language display
  • Synchronized translations
  • Adjustable display modes
  • Searchable notes
  • Day/night themes
  • Highlighting
Features
Read full description

Become fluent in a new language. Read a book in your new tongue while having a parallel copy in your native language handy for reference. Now thanks to Parallel Books, this technique is available on iPad, iPhone and iPod touch. Translations will automatically stay in sync, leaving you free to be immersed in the words on the page. Reading a book in two different languages at the same time has never been easier! - Designed for people learning a new language. - Displays a book simultaneously in two different languages. - Translations stay in sync as you read. - Stretchy, “chewing gum" overlay visually connects parallel content. - Chewing gum overlay can be hidden. - Translations can be displayed in two columns on the screen, or each translation can fill an entire screen. - Continuously scrolls or pages through content without needing to change mode. - Tapping on a paragraph shows the translation of that paragraph. - Double tapping hides tool bars, giving more space. - Multicolored highlights and searchable notes can be added. - Includes day and night themes. - Currently books are available in English, German, French, Spanish, Portuguese, Russian, Italian, Dutch, Swedish, Esperanto, Korean, Chinese, Arabic plus more. - Some books include multiple translations in the same language; ideal for literature and translation students. - Parallel Books is in development for other platforms. - New books are being added all the time. - All books are currently FREE.

About

Англо

Access comprehensive English-Russian and Russian-English offline dictionaries directly on your smartphone. Ideal for students, travelers, and language learners, it eliminates the need for bulky physical dictionaries.

Highlights
  • Offline English-Russian dictionary
  • Offline Russian-English dictionary
  • Portable dictionary solution
  • Suitable for study and travel
  • Accessible on smartphone
Features
Read full description

Надоело таскать с собой большие и тяжелые словари? Теперь всё необходимое будет у вас в смартфоне! Англо-русский и русско-английский оффлайн-словари будут всегда с вами, где бы вы ни были - на учебе, в путешествиях или занимаясь английским в домашней обстановке. Это приложение содержит рекламу.

Screenshots

Parallel Books4 screens
Англо4 screens

Verdict

The call

The clearest difference is review sentiment: Англо at 80% against Parallel Books's 40%. Англо also leads on update cadence (every 9 days vs every 3 months) and iOS requirement (8.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Parallel Books ships an update every 3 months, Англо every 9 days. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

Scorecard3 real differences · 7 level
Parallel Books versus Англо: the parameters behind the verdict, then further details
ParameterParallel BooksАнгло
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews40.0% of reviews80.0% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 3 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.68.0 — better
Further details — not scored
Size2 MB132 MB
Age rating12+12+
DeveloperHigh Tea IT LimitedAndrii Syvan

Customer experience

Parallel Books

All ratings77 ratings
Positive75.3%
Neutral0.0%
Negative24.7%
Written reviews30 reviews
Positive40.0%
Neutral3.3%
Negative56.7%

Англо

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive80.0%
Neutral20.0%
Negative0.0%

In-app purchases

None

Parallel Books

No in-app purchases

None

Англо

No in-app purchases

Questions

Is Parallel Books free?
Parallel Books is free to download, with no in-app purchases.
Is Англо free?
Англо is free to download, with no in-app purchases.
Do Parallel Books or Англо have ads?
Neither Parallel Books nor Англо shows ads.
Which is updated more often, Parallel Books or Англо?
Parallel Books ships an update every 3 months, and Англо every 9 days. Most recently, Parallel Books was updated on October 17, 2026 and Англо on October 18, 2026.

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